librustc: Remove `~EXPR`, `~TYPE`, and `~PAT` from the language, except

for `~str`/`~[]`.

Note that `~self` still remains, since I forgot to add support for
`Box<self>` before the snapshot.

How to update your code:

* Instead of `~EXPR`, you should write `box EXPR`.

* Instead of `~TYPE`, you should write `Box<Type>`.

* Instead of `~PATTERN`, you should write `box PATTERN`.

[breaking-change]

1 files changed, 15 insertions, 0 deletions

diff --git a/src/libsyntax/parse/obsolete.rs b/src/libsyntax/parse/obsolete.rs
index d09a002e117..b9157e0043d 100644
--- a/src/libsyntax/parse/obsolete.rs
+++ b/src/libsyntax/parse/obsolete.rs
@@ -40,6 +40,9 @@ pub enum ObsoleteSyntax {
     ObsoleteManagedPattern,
     ObsoleteManagedString,
     ObsoleteManagedVec,
+    ObsoleteOwnedType,
+    ObsoleteOwnedExpr,
+    ObsoleteOwnedPattern,
 }
 
 pub trait ParserObsoleteMethods {
@@ -126,6 +129,18 @@ impl<'a> ParserObsoleteMethods for Parser<'a> {
                 "managed vector",
                 "use `Rc<~[T]>` instead of a managed vector"
             ),
+            ObsoleteOwnedType => (
+                "`~` notation for owned pointers",
+                "use `Box<T>` in `std::owned` instead"
+            ),
+            ObsoleteOwnedExpr => (
+                "`~` notation for owned pointer allocation",
+                "use the `box` operator instead of `~`"
+            ),
+            ObsoleteOwnedPattern => (
+                "`~` notation for owned pointer patterns",
+                "use the `box` operator instead of `~`"
+            ),
         };
 
         self.report(sp, kind, kind_str, desc);